Our lenses come with the compatible frame and are ready to use after you receive them.  Custom-designed prescription lens inserts for the RayNeo Air 2 XR/ X2-AR/ NXTWEAR S AR glasses, our prescription lenses provide vision correction tailored to your prescription needs. Our lightweight design ensures lasting comfort during extended wear. Choose the RayNeo Air 2 Prescription Lens Inserts for the perfect combination of smart technology and high-definition vision.  5 Coatings of Our Lens:  Anti-Scratch, Anti-Static , Anti-UV ,ANTI-Reflection, Easy to Clean SPH stands for sphere, indicating myopia (nearsightedness) or hyperopia (farsightedness). The 'CYL' and 'Axis' are required for astigmatism. The "+" sign in SPH refers to farsightedness, while the "-" sign refers to nearsightedness. Double-check that you have selected the correct sign. You can chat with us in the lower right corner of the website. We will be happy to answer your questions.